Portion of a shoe midsole



FIG. 1 is a front perspective view of a portion of a shoe midsoleshowing my new design;

FIG. 2 is a rear perspective view thereof; and,

FIG. 3 is a view of one side thereof thereof.

The uneven broken line showing the upper and the remainder of the shoesole is for illustrative purposes only and forms no part of the claimeddesign. The uneven broken line immediately adjacent to the shaded arearepresents a portion of an unclaimed boundary of the design.

The ornamental design for a portion of a shoe midsole, as shown anddescribed.